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Research of electrical conductivity of synthetic powders

Sorek A., Popielska-Ostrowska A., Niesler M.

Archives of Materials Science and Engineering

2012

Vol. 57, nr 2

53-56

Purpose: This paper describes the electrical conductivity of liquid phase powders and laboratory research of electrical conductivity of synthetic powders. Design/methodology/approach: Research of electrical conductivity of liquid synthetic slag was performed using voltmeter-ammeter method on the specially designed research stand. Findings: The electrical conductivity of slag depends on the chemical composition of the liquid slag, which is related to their ionic structure. The electrical conductivity is determined by the dimensions of the ions, their number and mobility as a function of the viscosity of the liquid in which they are. Research limitations/implications: Laboratory studies of electrical conductivity of liquid powders should be the basis for further studies crystallizer powders used in continuous casting conditions. Practical implications: The chemical composition of powders (ion) can cause changes in the lubrication conditions in the near-meniscus zone in continuous casting mold and can influence on the surface quality on the continuous casting ingots. Originality/value: This paper presents the result of research of electrical conductivity CaO-SiO2-Al2O2-FeO-MgO-K2O powders.